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ZTE Internship Program - Hands-on Experience in SDH and DWDM Transmission Technologies

Join the ZTE Internship Program for a 3-month immersive experience mentored by industry experts. Gain knowledge in SDH and DWDM theory, hardware configurations, network structure, and installation practices. Engage in activities like site surveys, rack placements, card installations, configurations, and network commissioning. Explore daily operations at PTCL NOC, learn about alarm monitoring, site activities, and network services configuration. Enhance your skills through practical hands-on sessions on SDH and DWDM equipment.

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ZTE Internship Program - Hands-on Experience in SDH and DWDM Transmission Technologies

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  1. ZTE Internship Program 20153 Month Experience

  2. Mentor 1. Sir Malik Fahad (Chief Engineer) 2. Sir Waqas (Team Lead ) 3. Sir Javad (Project manager) M. Akhlaq (Intern) CMAPK Transmission

  3. Contents 10.Activities

  4. Documents Reading • SDH Fundamentals • 21_DWDM THEORY • ZXMP S385 SDH (Hardware Manual) • Hardware Manual of DWDM Equipment • CONFIGURATION of S385 • CONFIGURATION of DWDM

  5. Previous Transmission Technologies • PDH (Plesiochronous digital hierarchy) • PDH Overview • Why PDH was evolved to SDH • PDH Digital signal Hierarchies • PDH multiplexing Tributary access • PDH Disadvantage

  6. Present Transmission Technologies • SDH (Synchronous Digital Hierarchy) • DWDM (Dense Wave Length Division Multiplexing)

  7. SDH (Synchronous Digital Hierarchy) • SDH Theory • Why SDH emerges • SDH Overview • SDH Frame Structure • SDH Network Architecture • SDH Alarms • SDH Advantages • SDH Disadvantages

  8. SDH Hardware • S-385 Cabinet structure • S-385 Equipment Components • S-385 All Cards nomenclature • S-385 All cards Function • How all boards are physically connected performed Functions to transmit services • Interfaces

  9. DWDM ( Dense Wavelength Division Multiplexing) • System Structure • Equipment Sub-rack • Boards Introduction • DWDM Boards Functions • Signal flow in DWDM • Understanding Fiber Connection Diagram

  10. ZTE SDH & DWDM Products • ZTE SDH Products • ZXMP S380/90 • ZXMP S385 • ZTE DWDM Products • ZXWM M900 • ZXMP M800

  11. SDH &DWDM Network Structure SDH CS/TSC OL 1/4/16/64 EPE 1/4/16 Board DDF OBA OMU OTU OPA ODU OLA OSC OSC OPA ODU OMU OBA OLA OTU DWDM

  12. Hardware Installation • Surveyed Islamabad Metro DWDM sites • Placed a ZXMP M800 Rack • Installed cards • Power connectivity to ZXMP M800 Rack

  13. Configuration • Configured s385 in Lab • Configured ZXWM M800 in Lab • Configured NCPF , OSCF for 100M on E300 • Upgradation of 2M NEs to 100M on U31

  14. Commissioning • Backup DB & Restore DB on E300 • Configured Network Data S385 on E300 • Created NE’s , Make A SDH ring on E300 • Configured Boards on E300 • Established Connections • Configured MS Protection on E300 • Configured Services on E300 • Configured Clock Source

  15. Working on NMS/EMS (E300 & U31) • Installed E300 • Label the Cards on U31 • Backup & Restore DB on E300 • Configured ZXMP S385, ZXMP M800 • Creating NE’s ,Configured Boards • OUT,OL61 cards Testing through Looping Physically & on U31 • Configuring optical Connections make Rings • Configuring Services from Ne to another Ne in ring & Different Ring • Configuring MSP on SDH ring • Upgrade cards 2M to 100 M on U31 • Upgrade NE from 2M to 100 M

  16. Activities • Daily Visit to PTCL NOC H-9 worked on NMS • Labeled DWDM OP ,OUT ,OBA cards • Learned How Alarms are monitored • How activities are performed on NMS to site • Configuration ,commissioning • Services configuring • Visit to Kohat, Mardan, Peshawar • Execute site activity to trace Lambda flap • Surveyed Islamabad DWDM Metro • Which is suitable location for Rack • How much cable, AC required • Rectifier capacity

  17. Activities continued…….. • Visited Lahore worked On PTCL DWDM rebuild Project • Placed a DWDM Racks • Power up Racks • Insert cards • Worked In Lab • Configure S385,DWDM • Configure NCPF ,OSCF • Upgrade 2M to 100 M • Testing Of OUT & OLA card in IBA2

  18. Summary Learned SDH Theoretically, Technically ,Hardware SDH Network Architecture Learned DWDM Theoretically, Technically ,Hardware DWDM Network Architecture Worked on NMS (E300) Worked in Team

  19. THANK YOU…..

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